OUI Lookup
00a078
Marconi Communications
Manufacturer Information
- OUI Prefix
- 00a078
- Manufacturer
- Marconi Communications
- Address
- 1000 Fore Drive Warrendale PA US 15086-7502
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 3
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00A078
The OUI prefix 00A078 is assigned to Marconi Communications, based in 1000 Fore Drive Warrendale PA US 15086-7502 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Marconi Communications.